// Copyright 2014 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef UI_DISPLAY_TYPES_NATIVE_DISPLAY_OBSERVER_H_
#define UI_DISPLAY_TYPES_NATIVE_DISPLAY_OBSERVER_H_

#include "ui/display/types/display_types_export.h"

namespace ui {

// Observer class used by NativeDisplayDelegate to announce when the display
// configuration changes.
class DISPLAY_TYPES_EXPORT NativeDisplayObserver {
public:
    virtual ~NativeDisplayObserver() { }

    virtual void OnConfigurationChanged() = 0;
};

} //  namespace ui

#endif // UI_DISPLAY_TYPES_NATIVE_DISPLAY_OBSERVER_H_
